Diffuser for an automobile



FIG. 1 is a front perspective view of a diffuser for an automobile;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevation view thereof; and,

FIG. 7 is a right side elevation view thereof.

The broken lines in the drawings illustrate portions of the diffuser for an automobile that form no part of the claimed design. 

CLAIM The ornamental design for a diffuser for an automobile, as shown and described. 